Questions tagged [firefox]

A free and open source web browser created by Mozilla.

Filter by
Sorted by
Tagged with
2 votes
1 answer
6k views

$ firefox /usr/lib/firefox/firefox: /usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.30' not found (required by /usr/lib/firefox/firefox)

Getting error on Manjaro after upgrading firefox: $ firefox /usr/lib/firefox/firefox: /usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.30' not found (required by /usr/lib/firefox/firefox) $ sudo pacman ...
0 votes
2 answers
2k views

Can't open Microsoft Teams' files tab

When I try to open the file tab in any team in Microsoft Teams, it won't load. For the application and Chromium browser, it says: There was a problem reaching this app and for Firefox it says: ...
0 votes
1 answer
23 views

What do I do about "No video with supported format and MIME type found"?

I run Devuan GNU/Linux Excalibur (i.e. Debian trixie without systemd), with Firefox v123. Recently, I've been getting errors trying to browse content involving videos (yes, from the accursed social ...
0 votes
2 answers
38 views

places.sqlite buggy? seems to behave abnormally. How to get $LAST_VISITED_URL?

I posted here. Here is my last-url.sh #!/bin/bash rm -rf /tmp/db.sqlite cp ~/.mozilla/firefox/*.default-esr/places.sqlite /tmp/db.sqlite ; LAST_URL=`sqlite3 /tmp/db.sqlite "...
1 vote
2 answers
24 views

alsa: decrease volume for specific application

When I play audio or video in Firefox, the sound is always louder than when running my other applications (audio payer, video player, sound notifications and alerts) This is particularly noticeable on ...
1 vote
1 answer
2k views

Installing Firefox on EC2 using Lambda Linux Project

I'm trying to set up a nodejs+selenium server on ec2. I got node installed and working and I tried to set up Firefox using the tutorial here: https://lambda-linux.io/blog/2015/01/28/announcing-...
5 votes
1 answer
2k views

Debian Kde Iceweasel/Firefox: setting custom protocols handlers

I recently switched from Ubuntu 10.04 gnome to Debian wheezy Kde. Everything's work fine, except to the Iceweasel/firefox custom protocols! I added komodo.protocol in my ~/.kde/share/services with: ...
37 votes
7 answers
53k views

Refresh/reload active browser tab from command line?

I'm trying to set up a custom toolchain where the browser (Firefox or, preferrably, Chrome) is often/frequently/constantly forced to refresh from the commandline. (The idea is to instantly see the ...
0 votes
0 answers
27 views

How to run a local proxy behind a VPN?

The Problem Accessing VPN-unfriendly sites without turning off the VPN. Background When connected, my VPN provides me with multiple socks5 proxy endpoints. Combine that with Firefox containers and in ...
7 votes
1 answer
3k views

On Linux Firefox is listening on several UDP ports on 0.0.0.0

On Linux, Firefox is listening on UDP port, usually on ports 30000 and higher. What is the reason for this and why not just localhost, but 0.0.0.0, i.e. the interface exposed to the network as well?
9 votes
3 answers
3k views

Open Firefox twice (with same profile)

There are tons of resources that tell how to run several instances of Firefox in parrallel. I can't find any that tells me how to configure a command (on a command line, start menu item, or panel ...
1 vote
1 answer
29 views

access to user settings of Chromium/Firefox SNAP packages

Do I have any chance to manage the settings of Chromium or Firefox when they are run via SNAP? I have a multiuser environment where I'd like to install ublock extension by default force it to use a ...
8 votes
7 answers
30k views

Unable to play videos in browsers on Fedora 35

I upgraded from Fedora 32 to Fedora 35 in last December. Lately I have found out that I am unable to play any videos on web browsers. The video loads but never starts. It's stuck at 00:00. If I move ...
1 vote
1 answer
49 views

Parallel / multiple audio output with alsa and USB audio mixer

I have a new docking station for my laptop and have a hard time configuring audio/alsa. After checking cat /proc/asound/cards 0 [PCH ]: HDA-Intel - HDA Intel PCH HDA ...
0 votes
1 answer
44 views

How do I get my old firefox profile to run in snap environments of re-installations/other users on my machine?

My ambition is to reinstall my system and then, in the fresh installation, restore the home-folder of my current main-user from its backup created with borg. But before I boot the live USB stick, ...
1 vote
1 answer
203 views

Firefox "Access to the file was denied" for file on NFS volume

Using Firefox to open an html file (in fact any file) on a mounted NFS volume gives an "Access to the file was denied" error. Also, similar problem occurs when trying to upload files from a ...
2 votes
1 answer
921 views

Is it possible to make Firefox open a URL in a popup window?

I would like Firefox (the new super fast Quantum with low memory usage) to open some URLs in a special/popup window, i.e. almost without anything (toolbar, menu bar, tab bar, address bar, etc.) other ...
0 votes
1 answer
2k views

Open URL in new firefox window not tab in a bash script

I want to open a URL in Firefox always in a new Window and not in a new tab. It is on my raspberry PI on iceweasel and I just can't find a soultion for my problem. What do I have: firefox -private-...
3 votes
2 answers
9k views

Error opening browser in VNC session: cannot open display: :1.0

Setup My goal is to use a web browser in a VNC session. I followed this page to install tightvncserver with xfce4. The session works fine, i.e. I am able to open all other GUI programs. I ran apt ...
0 votes
0 answers
48 views

How can I make symlinks imperceptable to Firefox?

I'm running Ubuntu 22, and Firefox is installed via snap. It stores profiles and cache in /home/username/snap/firefox/common. I want to preserve profiles across system disk restores, and so I like ...
0 votes
0 answers
35 views

How to debug a binary file with gdb

I currently have a binary program that usually ends locking up after some time using. I can cause it when clicking on the bar on the right side of the screen and moving it swiftly with mouse's left ...
0 votes
0 answers
35 views

How does firefox choose which libavcodec to load?

I'm running RHEL9 with plasma 5 as the desktop environment. Plasma pulls in libavcodec-free as a dependency. libavcodec-free installs /usr/lib64/libavcodec.so.59 which as expected does not support mp4 ...
1 vote
1 answer
141 views

Why do Browsers crash on my machine with Nvidia Drivers?

For a while now on my system browsers crash very often (between 3 times in a row when opening and once every hour). Sometimes the entire browser crashes, sometimes its only one tab. I normally use ...
4 votes
2 answers
2k views

What is preventing Firefox from opening websites?

I solved my problem but I want to know what caused it for any future reference and better understanding. I have come across a strange behavior of Firefox on Ubuntu 14.04. I left office with my laptop ...
2 votes
1 answer
39 views

Google Meet / WebRTC calls drop in Firefox when removing docker networks on Linux

I am working on a Linux laptop, I use docker containers for development and I run them on my local docker engine (i.e. just docker compose up -d). I've noticed that Google Meet calls drop if I do ...
0 votes
0 answers
28 views

Make Firefox installed system wide automatically update itself - security implications

I want to install Firefox system wide on Debian. Since it isn't installed using apt it needs to update itself. If I just extract the tarball in some system location it will fail to update due to ...
0 votes
0 answers
20 views

Changing Firefox icon in MWM/CDE

I am trying to change the icon for Firefox using X resources and CDE. I am not sure if it is possible anymore. I have tried this: Dtwm*firefox*iconImage: Dtterm and this: Dtwm*mozilla*iconImage: ...
15 votes
3 answers
11k views

Where does firefox get the “default” applications for opening files from?

By default, the Firefox (33.0) on my FreeBSD 11.0-CURRENT has the default application for opening PDF files set to Inkscape. Firefox does remember my previous choice, evince, in the “What should ...
2 votes
1 answer
157 views

Linux Mint Xfce. Map Alt-e to Ctrl-Tab

I have Linux Mint, Xfce. I want to change tabs in Firefox by pressing Alt-e, rather than by pressing Ctrl-Tab, as is default. I have been googling this quite a bit, but to no avail. How do I remap ...
0 votes
1 answer
25 views

Links from Other Applications Open Firefox without default user session

I'm using XUBUNTU. It's been my favorite distro for many years. Within the past year, a strange problem started. When I open a link from another application, say Discord, it opens Firefox, but with ...
7 votes
3 answers
2k views

How do I open external links in different profiles with Firefox?

I have two instances of firefox running under separate profiles: $ firefox -P default & ... $ firefox -no-remote -P second & Now I can open a new tab from the command line with: $ firefox -...
0 votes
0 answers
46 views

Fedora, Firefox and gnome shell extensions not working

My gnome shell extension suddenly broke and doesn't allow me to either see installed extensions or install new ones. Every page has a 'An expected error occurred' message in the beginning. Here's my ...
0 votes
0 answers
26 views

Jellyfin, Fedora and firefox - cannot access media folder

I have installed jellyfin from the terminal using the instructions from their website. I'm running a firejailed firefox and trying to set up a media library folder for jellyfin, but I only get access ...
9 votes
3 answers
6k views

How to setup Firefox and KeePassXC in a flatpak and get the KeePassXC-Browser add-on to work?

If KeePassXC is sandboxed in a Flatpak, browsers can only access it, if they are not sandboxed, i.e. installed as an deb/rpm package or similar on the host. Sandboxing both the browser, i.e. Firefox, ...
0 votes
1 answer
418 views

Firefox: Youtube Freezes because of failure to query drm device

The problem: Youtube keeps freezing on firefox, although it's working fine otherwise. Running youtube shorts will always freeze youtube where as running normal videos freeze it some time and don't ...
7 votes
1 answer
4k views

How to tell Chromium-browser to run a url as single instance not multiple instances?

I have a web application which crawls data and any browser download it first the second one will not get that crawl informations. While using Chromium-browser in a PC i start as below: $ chromium-...
1 vote
2 answers
2k views

Firefox and Xorg without Window Manager

I have been trying to get firefox to work with only X server. For the most part, things have run smoothly, until right now, at the end, I face two seemingly insurmountable obstacles: The dropdown ...
2 votes
1 answer
2k views

Permission Denied When Opening Local Files in Web Browsers

I've run into a bit of a weird issue: If I try to open a file-local .html file inside of a directory starting with a dot (.) the browser claims that it does not have permission to view it, e.g.: mkdir ...
0 votes
1 answer
2k views

Firefox slow over ssh -X (again)

As pointed out in a comment to the question this was about gfx.xrender.enabled. The answer can be found in the marked dupe, but it is easy to miss in all the noise talking about ssh and the X11 ...
0 votes
0 answers
70 views

Automatically reload Firefox tab when it crashes

Sometimes FF crashes a tab with "Gah. Your tab just crashed.". Is there any way to reload this tab automatically when that happens?
1 vote
1 answer
694 views

Firefox, Chromium on Debian: WebRTC H.264 is not supported

While trying to stream online with my friends, I had an issue where everyone else's computer can watch the stream but mine, and even my android device can watch it. I found this test page from GitHub ...
2 votes
3 answers
568 views

how to display local shell-script/s in browser/firefox?

I have shell-scripts which have html tags which means they were obviously meant to be seen/displayed in a browser as well. So how do I tell firefox to display the shell script instead of trying to ...
0 votes
1 answer
188 views

Ubuntu's default Firefox does not play videos on after Ubuntu upgrade

A few days ago Ubuntu (22.04 LTS) showed me a message saying I can upgrade my OS (or something along those lines). I click on agree (any button that would let me proceed) and the upgrade took place (...
0 votes
0 answers
192 views

How to get Firefox's current user agent from a script?

I want to get Firefox's user agent string agent in bash and then use it later in a script. It must be extracted on the fly, not by going into about:support or copying it manually so that the script ...
7 votes
4 answers
21k views

Using a dark theme in KDE with Gnome applications (e.g., Firefox)

I prefer the breeze-dark KDE theme. Unfortunately, some gnome apps (such as Firefox) are problematic. In particular, in text input fields in Firefox, one ends up with white text on a white background ...
0 votes
0 answers
246 views

kubuntu to debian 12, (11 or 10...) freezes all the time with Firefox 115

This is a summary of the problems encountered during the last week in which seeking to avoid Kubuntu updates, I chose to try several versions of Debian, without luck. I write this query for those who ...
0 votes
2 answers
2k views

Set firefox developer edition as the default browser in VS Code on Linux

I have installed firefox developer edition on my MX-Linux. When I tried to configure the live server of VS Code to run it as default, I failed. I followed this link to set up, but ultimately it is not ...
0 votes
0 answers
174 views

Pulseaudio sound delay in firefox

Every now and again, I will get a 1-2second sound delay from audio played in Firefox (eg. Youtube or Twitch); when I reload the corresponding tab (re-registering the stream), the delay is gone. This ...
0 votes
1 answer
296 views

Firefox has no installation candidate

Using ubuntu 22.04 cant use Firefox. Package missing, has been obsolete or is only available from another source.
0 votes
0 answers
226 views

Unable to open Firefox private window from Desktop panel/favourites in Ubuntu 22 / Gnome

Running Firefox (latest, I assume) on Ubuntu 22.04 with Gnome desktop (GNOME Shell 42.9). Initially, the Firefox launcher on the favourites on the left of the desktop was working perfectly well. Now, ...

1
2 3 4 5
16